The MFLP-00005CH from Marki Microwave is a Low Pass RF Filter with Frequency DC to 17 GHz, Stopband Frequency 22 to 40 GHz, 3 dB Cutoff Frequency 18.3 GHz, Insertion Loss 0.4 dB, Rejection 30 to 49 dB. Tags: Die, MMIC. More details for MFLP-00005CH can be seen below.